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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-429 Area Code & Prefix

(312) 429-0xxx
(312) 429-1xxx
(312) 429-2xxx
(312) 429-3xxx
(312) 429-4xxx
(312) 429-5xxx
(312) 429-6xxx
(312) 429-7xxx
(312) 429-8xxx
(312) 429-9xxx